Technical information

29
The address of the indoor unit, RB unit and signal amplifier can be set through the automatic function setting on the outdoor unit PCB.
Automatic address setting
Installation of the wiring systems is made easier as the
communication wiring can be installed continuously
between the indoor, outdoor and RB units.
Simple wiring work
Service tools can be used to check the refrigerant
temperature, pressure, and the operating status of the
electronic expansion valve, making it easy to determine
whether the units are connected properly.
Easy commissioning by Service Tool
Serial connection
Parallel connection
or
The vacuum mode function enables all expansion valves of
indoor units to be fully opened, making it easy to evacuate
all the air inside pipe lines and indoor units.
Easy evacuation - using vacuum
mode function
Outdoor unit Vacuum pump
Air
Air
Air
Automatic address setting is
performed at outdoor unit
Addresses are automatically
distributed from outdoor unit.
Manual address setting from indoor unit and remote controller is also possible.
7 10
6
2 4 5
Press the push button
switch of outdoor unit.
3
1
2
1
4 5
0
6
3 7
Signal Amplifier
RB unit